Add debian package for etcd

- created required debian structured
- updated .default and .service files
through 0001-Update-config.patch
- succesfully built the package

Tracking dependency: https://review.opendev.org/c/starlingx/tools/+/815834
Story: 2009221
Task: 43521
Signed-off-by: Daniel Safta <daniel.safta@windriver.com>
Change-Id: I5af677c90342bae7c30901bf465e1db79c716671

kubernetes/etcd/debian/deb_patches/0001-Update-config.patch

@@ -0,0 +1,67 @@
+From 7ef071f8616c36bab74f4b367ef6405c20051f84 Mon Sep 17 00:00:00 2001
+From: Daniel Safta <daniel.safta@windriver.com>
+Date: Mon, 4 Oct 2021 14:55:59 +0300
+Subject: [PATCH] Update config
+
+Updated .default and .service
+files with the needed configs.
+---
+ debian/etcd-server.etcd.default | 8 ++++----
+ debian/etcd-server.etcd.service | 4 ++--
+ 2 files changed, 6 insertions(+), 6 deletions(-)
+
+diff --git a/debian/etcd-server.etcd.default b/debian/etcd-server.etcd.default
+index cf1262c9..36255fbc 100644
+--- a/debian/etcd-server.etcd.default
++++ b/debian/etcd-server.etcd.default
+@@ -11,12 +11,12 @@
+ ## using discovery, each member must have a unique name. `Hostname` or
+ ## `machine-id` can be a good choice.
+ ## default: "default"
+-# ETCD_NAME="default"
++ETCD_NAME="default"
+ 
+ ##### --data-dir
+ ## Path to the data directory.
+ ## default: "${name}.etcd"
+-# ETCD_DATA_DIR="/var/lib/etcd/default"
++ETCD_DATA_DIR="/var/lib/etcd/default"
+ 
+ ##### --wal-dir
+ ## Path to the dedicated wal directory. If this flag is set, etcd will write
+@@ -68,7 +68,7 @@
+ ## default: "http://localhost:2379"
+ ## example: "http://10.0.0.1:2379"
+ ## invalid example: "http://example.com:2379" (domain name is invalid for binding)
+-# ETCD_LISTEN_CLIENT_URLS="http://localhost:2379"
++ETCD_LISTEN_CLIENT_URLS="http://localhost:2379"
+ 
+ ##### --max-snapshots
+ ## Maximum number of snapshot files to retain (0 is unlimited)
+@@ -184,7 +184,7 @@
+ ## file descriptors) are eventually depleted.
+ ## default: "http://localhost:2379"
+ ## example: "http://example.com:2379, http://10.0.0.1:2379"
+-# ETCD_ADVERTISE_CLIENT_URLS="http://localhost:2379"
++ETCD_ADVERTISE_CLIENT_URLS="http://localhost:2379"
+ 
+ ##### --discovery
+ ## Discovery URL used to bootstrap the cluster.
+diff --git a/debian/etcd-server.etcd.service b/debian/etcd-server.etcd.service
+index f4854bec..f7af53a5 100644
+--- a/debian/etcd-server.etcd.service
++++ b/debian/etcd-server.etcd.service
+@@ -13,8 +13,8 @@ EnvironmentFile=-/etc/default/%p
+ Type=notify
+ User=etcd
+ PermissionsStartOnly=true
+-#ExecStart=/bin/sh -c "GOMAXPROCS=$(nproc) /usr/bin/etcd $DAEMON_ARGS"
+-ExecStart=/usr/bin/etcd $DAEMON_ARGS
++ExecStart=/bin/sh -c "GOMAXPROCS=$(nproc) /usr/bin/etcd --name=\"${ETCD_NAME}\" --data-dir=\"${ETCD_DATA_DIR}\" --listen-client-urls=\"${ETCD_LISTEN_CLIENT_URLS}\""
++#ExecStart=/usr/bin/etcd $DAEMON_ARGS
+ Restart=on-abnormal
+ #RestartSec=10s
+ LimitNOFILE=65536
+-- 
+2.25.1
+

kubernetes/etcd/debian/deb_patches/series

@@ -0,0 +1 @@
+0001-Update-config.patch

kubernetes/etcd/debian/meta_data.yaml

@@ -0,0 +1,10 @@
+---
+debname: etcd
+debver: 3.3.25+dfsg-6
+dl_path:
+  name: etcd-debian-3.3.25+dfsg-6.tar.gz
+  url: https://salsa.debian.org/go-team/packages/etcd/-/archive/debian/3.3.25+dfsg-6/etcd-debian-3.3.25+dfsg-6.tar.gz
+  md5sum: 91df267a20b0f34a1ad1ff48a8815706
+revision:
+  dist: $STX_DIST
+  PKG_GITREVCOUNT: true